Home / 7,320.82-10,107.09-4,530.10

Finding the Fourth Proportional to 7,320.82, 10,107.09 and 4,530.10

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Solution

The fourth proportional to 7,320.82, 10,107.09 and 4,530.10 is: 6,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.82 : 10,107.09 = 4,530.10 : x
  2. Step 2: Convert to fraction form
    7,320.82/10,107.09 = 4,530.10/x
  3. Step 3: Cross multiply
    7,320.82x = 10,107.09 × 4,530.10
  4. Step 4: Simplify right side
    7,320.82x = 45,786,128.41
  5. Step 5: Solve for x
    x = 45,786,128.41/7,320.82
  6. Step 6: Final answer
    x = 6,254.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.